Electrical Specifications
LDO Regulator Controller
Table 6: Switching Step-down Regulator (Continued)
NOTE: The following applies unless otherwise noted: SV = PV = 5.0V, V
= V
= SGND = PGND, R
= 11 kΩ,
IN
IN
PSET
SHDN
VSET
L = 4.7 µH, C
= 10 µF (Ceramic), T = 25 °C. Bold values indicate -40°C < T < 85°C.
OUT
A
A
Typ
±1
Symbol
Parameter
Conditions
SV = PV = V
Min
Max
Units
μA
I
Switch Leakage
Current
= 5.5V
--
±50
LSW
IN
IN
SHDN
V
= PGND or 5.5V
SW
2.5
LDO Regulator Controller
Table 7: LDO Regulator Controller
NOTE: The following applies unless otherwise noted: SV = PV = 5.0V, V
= SGND = PGND, PFET= FDC642P, C
OUT
IN
IN
SHDN
= 10 µF, T = 25 °C. Bold values indicate -40°C < T < 85°C.
A
A
Conditions
Room Temp,
Symbol
Parameter
Output Voltage Accuracy
Min
Type
Max
Units
--
--
--
±1
--
%
I
= 10 mA
LOAD
Over Temp,
= 10 mA
±2
--
--
I
LOAD
V
V
V
Line Regulation
SV = PV = 3.5V
to 5.0V, V
0.08
%
LNREG
LDREG
ILTH
IN
IN
= 3.3V,
OUT
I
= 10 mA
LOAD
Load Regulation
SV = PV = 5.0V,
V
10 mA to 800 mA
--
--
0.05
50
--
--
%
IN
IN
= 3.3V, I
=
OUT
LOAD
Current-Limit Threshold
SV -V
mV
IN ILIM
Copyright © 2008 Marvell
April 14, 2008, 2.00
Doc. No. MV-S102809-00 Rev. G
Page 21
Document Classification: Proprietary
MARVELL [ MARVELL TECHNOLOGY GROUP LTD. ]
